.input {
    border: none;
    padding: 1rem;
    border-radius: 1rem;
    background: #e8e8e8;
    width: 300px;
    box-shadow: 20px 20px 60px #c5c5c5,
    -20px -20px 60px #ffffff;
    transition: 0.3s;
}

.app{

}

.input:focus {
    outline-color: #e8e8e8;
    background: #e8e8e8;
    box-shadow: inset 20px 20px 60px #c5c5c5,
    inset -20px -20px 60px #ffffff;
    transition: 0.3s;
}
/* From uiverse.io by @Custyyyy */
.button {
    display: inline-block;
    border-radius: 7px;
    border: none;
    background: #1875FF;
    color: white;
    font-family: inherit;
    text-align: center;
    font-size: 13px;
    box-shadow: 0px 14px 56px -11px #1875FF;
    width: 10em;
    padding: 1em;
    transition: all 0.4s;
    cursor: pointer;
}

.button span {
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.4s;
}

.button span:after {
    content: 'for free';
    position: absolute;
    opacity: 0;
    top: 0;
    right: -20px;
    transition: 0.7s;
}

.button:hover span {
    padding-right: 3.55em;
}

.button:hover span:after {
    opacity: 4;
    right: 0;
}

@keyframes moving {
    50% {
        width: 100%;
    }

    100% {
        width: 0;
        right: 0;
        left: unset;
    }
}
